<template>
  <div class="icons">
    <swiper
      :options="swiperOption"
      v-if='showSwiper'
    >
      <swiper-slide
        v-for="(page,index) of pages"
        :key="index"
      >
        <div
          class="icon"
          v-for="item of page"
          :key="item.id"
        >
          <div class="
          icon-img">
            <img
              class="icon-img-content"
              :src="item.imgUrl"
            >
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        loop: true
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      // var i = 0
      this.list.forEach((item, index) => {
        let page = Math.floor(index / 8)
        if (!pages[page]) pages[page] = []
        pages[page].push(item)

        // if (!pages[i]) pages[i] = []
        // pages[i].push(item)
        // if (index === 7) i++
      })
      return pages
    },
    showSwiper () {
      return this.list.length
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl';
@import '~styles/mixins.styl';

.icons >>> .swiper-container {
  overflow: hidden;
  width: 100%;
  height: 0;
  padding-bottom: 50%; // 父元素宽度的50%
}

.icons {
  margin-top: 0.1rem;
  height: 0;
  padding-bottom: 50%; // 父元素宽度的50%

  .icon {
    position: relative;
    overflow: hidden;
    float: left;
    width: 25%;
    height: 0;
    padding-bottom: 25%;
  }

  .icon-img {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0.44rem;

    .icon-img-content {
      display: block;
      padding: 10px;
      margin: 0 auto;
      box-sizing: border-box;
      height: 100%;
    }
  }

  .icon-desc {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 0.44rem;
    line-height: 0.44rem;
    text-align: center;
    color: $darkTextColor;
    ellipsis();
  }
}
</style>
